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Finding the Fourth Proportional to 14,756.15, 20,361.16 and 8,294.52

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Solution

The fourth proportional to 14,756.15, 20,361.16 and 8,294.52 is: 11,445.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,756.15 : 20,361.16 = 8,294.52 : x
  2. Step 2: Convert to fraction form
    14,756.15/20,361.16 = 8,294.52/x
  3. Step 3: Cross multiply
    14,756.15x = 20,361.16 × 8,294.52
  4. Step 4: Simplify right side
    14,756.15x = 168,885,957.41
  5. Step 5: Solve for x
    x = 168,885,957.41/14,756.15
  6. Step 6: Final answer
    x = 11,445.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.